MAINTENANCE INSTRUCTIONS SECTION 5
DD-29/31HF/38HF Vibratory Asphalt Compactors 5-27
3. Wipe fuel filter head clean and remove all of the old gasket material from the
filter head.
4. Lightly coat the gasket of the new fuel filter with diesel fuel, fill the filter with
No. 2 diesel, and install it on the filter head. Hand tighten the filter.
5. Loosen hose clamps and remove in-line fuel filter (2, Figure 5-33). Install the
new in-line filter and tighten the hose clamps.
NOTE: Air bleeding of the fuel system is required when ever the fuel
filters have been removed from the machine.
6. Loosen vent plugs (1, Figure 5-34) a few turns. Turn the ignition key to the ON
position to activate the electric fuel pump.
Figure 5-34
7. Allow air to escape until bubbles no longer appear. Tighten the vent plugs.
Return the ignition key to the STOP position.
8. Open the air vent cock (1, Figure 5-35). Turn the ignition key to the ON position
to activate the electric fuel pump.
Figure 5-35
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